Honjou Masayuki is a Japanese Otherworlder who acquired the title of "Hero". He got acquainted with Demon Lord Rimuru during the Tempest Tournament and later got employed by him as an advisor for the Labyrinth's structure and a mediator with the adventurers.

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Masayuki was first shown to be an over-confident individual who dared to challenge Rimuru by saying that he would subjugate the Demon Lord during the Tournament. However, those actions were all influenced by Yuuki's mind control over him.

Once released from Yuuki's control thanks to Rimuru's casual contact, he is revealed to be quite a sensible person, if not a coward, as he immidiately withdrew from the Tournament knowing he couldn't win. He is also a likeable individual according to Rimuru. However, he's also rather shy and gets embarrassed due to his fame and popularity, which is caused by his Unique Skill "The Chosen One",

Masayuki is also quite knowledgeable in gaming as he provided some helpful advice for the reorganization of the Underground Labyrinth.

Masayuki came to the Ingrasia Kingdom from his world. Then he met and was helped by Kagurazaka Yuuki who introduces himself as the leader of Freedom Association.

Masayuki enter the Freedom Association by the recommendation of Yuuki, and began as adventurer.
At that time, he thought that his abnormally high offensive ability was unnatural when compared with
the others, this is when Masayuki first noticed his ability.
However, the real frightening thing about this ability was the effect was also applied to the companions of Masayuki.
Even if a deed done by his companion, everything will become Masayuki’s achievements.
In other words, all attack of his companions will also become Critical Hit, as they received his
blessing. And, every admiration for his companions will become Masayuki’s.
Masayuki possess the desire to become a hero and so this ability was awaken.
When Masayuki consulted about this ability to Yuuki, it seemed a smile spout on Yuuki’s face.
After that, Yuuki began to manipulate him, day after day Masayuki started to feel like he was becoming someone else.
Masayuki and his companions, growth at an overwhelming speed, after around half a year has passed,
he was called as the “Hero”.

He also participated in Ingrasia‘s Tournament but he easily became the champion.
Anyway, just by drawing his sword out, the opponent declared 'I give up'. The spectator, who saw it, seems to misunderstand it as an instantaneous attack, but actually there was nothing happening at all. It was one of the effect of Unique Skill The Chosen One, they just got hit by the “hero’s Haki”.
To oppose this ability, if it was not an Unique Skill holder with equal power, then the opponent
couldn’t resist it. However, it’s never been said that it was an omnipotent ability.

The Chosen One - There will be an excellent explanation for him for every action the opponent takes, whatever he does will result as a heroic act and will be praised, the result of his normal attack will become Critical Hit.

Messiah - It'll cause his opponent to ask salvation and forgiveness from him, and it could make his opponent to confess every sins s/he ever done, it works by Masayuki asking his opponent but there's a chance that a strong opponent might resist it.